123983020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1619}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 298287360

約数和(自身を除く): 174304340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 1619, 2188, 2735, 3238, 3829, 5470, 6476, 7658, 8095, 10940, 11333, 15316, 16190, 19145, 22666, 32380, 38290, 45332, 56665, 76580, 113330, 226660, 885593, 1771186, 3542372, 4427965, 6199151, 8855930, 12398302, 17711860, 24796604, 30995755, 61991510, 123983020]

約数ペア:

[(1, 123983020), (2, 61991510), (4, 30995755), (5, 24796604), (7, 17711860), (10, 12398302), (14, 8855930), (20, 6199151), (28, 4427965), (35, 3542372), (70, 1771186), (140, 885593), (547, 226660), (1094, 113330), (1619, 76580), (2188, 56665), (2735, 45332), (3238, 38290), (3829, 32380), (5470, 22666), (6476, 19145), (7658, 16190), (8095, 15316), (10940, 11333)]